Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
luan dang » luan nang, luan danh, luan dong
dang cong » dung cong
anh dang » anh dung, anh bang, anh danh
anh dong » anh huong, anh son
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - ((hanh chinh) or (((anh dang) or (anh dong)))) luan dang cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((hanh chinh) OR (((anh dang) OR (anh dong)))) luan dang cong san than cap*.